== sanity test 51f: check many open files limit ========== 09:32:35 (1788874355)
MDT0 numfree=542619, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1554 (time 1788874369.56 total 10.00 last 155.35)
 - open/keep 2959 (time 1788874379.56 total 20.01 last 140.43)
 - open/keep 4381 (time 1788874389.57 total 30.02 last 142.02)
 - open/keep 5986 (time 1788874399.57 total 40.02 last 160.48)
 - open/keep 7584 (time 1788874409.58 total 50.03 last 159.74)
 - open/keep 8998 (time 1788874419.59 total 60.03 last 141.30)
 - open/keep 9993 (time 1788874429.60 total 70.05 last 99.37)
 - open/keep 11232 (time 1788874439.60 total 80.05 last 123.88)
 - open/keep 12537 (time 1788874449.60 total 90.05 last 130.49)
 - open/keep 14009 (time 1788874459.60 total 100.05 last 147.15)
 - open/keep 15378 (time 1788874469.62 total 110.06 last 136.72)
total: 16777 open/keep in 120.02 seconds: 139.78 ops/second
 - closed 2472 (time 1788874489.58 total 10.00 last -1290.33)
 - closed 4944 (time 1788874499.58 total 20.00 last 247.17)
 - closed 6664 (time 1788874509.58 total 30.00 last 171.97)
 - closed 8609 (time 1788874519.58 total 40.01 last 194.45)
 - closed 10000 (time 1788874527.00 total 47.42 last 187.55)
 - closed 12416 (time 1788874537.00 total 57.42 last 241.58)
 - closed 14753 (time 1788874547.00 total 67.43 last 233.65)
total: 16777 close in 75.96 seconds: 220.86 close/second
 - unlinked 0 (time 1788874559 ; total 0 ; last 0)
 - unlinked 10000 (time 1788874639 ; total 80 ; last 80)
unlink(/mnt/lustre/d51f.sanity/f16777) error: No such file or directory
total: 16777 unlinks in 129 seconds: 130.054260 unlinks/second